[TenTec] Fuses vs. breakers...again

[Dr. Gerald N. Johnson]

On Mon, 2007-09-24 at 09:49 -0400, john.brewer at us.schneider-electric.com
wrote:
> "There was a discussion about the relative speeds of circuit breakers
> versus fuses on this reflector some time ago. I stated that my gut
> feeling was that fuses might very well be much quicker responding, based
> on less mass having to move a shorter distance in order for the circuit
> to be interrupted. I was told that my gut feeling was wrong, wrong,
> wrong. "
> 
> 
> Yes, the proper Airpax breakers are faster.    I can't point you to the specs (though a quick
> trip to the airpax site would probably get you what you need), but I can tell you first hand,
> that my 20A airpax ALWAYS opens to protect a 3A fuse that's in a series leg off the 20A
> Airpax....(if that 3A leg is short circuited).
> 
> John K5MO
> 
Fast or slow fuse?

73, Jerry, K0CQ